html,body{
  font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
  background-color: #fff;
}
a{
  font-size: 12px;
  text-decoration: none;
  color: #333;
}
ul,ol{
  padding: 0!important;
  list-style: none;
}
.container{
  margin: 0 auto;
  width: 1100px;
}
.fl{
  float: left;
}
.fr{
  float: right;
}
.clearfix::before,
.clearfix::after{
  content: '';
  display: block;
  width: 0;
  height: 0;
  clear: both;
}
.item-bg{
  padding: 14px;
  box-sizing: border-box;
  margin: 20px auto;
  border-radius: 8px;
  background-color: #333;
}
.media{
  padding: 10px;
  margin: 10px 10px 10px 0;
  background-color: #f5f5f5;
}
.media-left{
  float: left;
  width: 100px;
  height: 100px;
  overflow: hidden;
  margin-right: 12px;
}
.media-left img{
  display: block;
  width: 100%;
  height: auto;
}
.media-right{
  overflow: hidden;
}
.color-orage{
  color: #FF9900;
}
.color-gray{
  color: #999;
  font-size: 12px;
}